Home / 379,479.04-569,180.40-98,996.80

Finding the Fourth Proportional to 379,479.04, 569,180.40 and 98,996.80

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Solution

The fourth proportional to 379,479.04, 569,180.40 and 98,996.80 is: 148,485.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,479.04 : 569,180.40 = 98,996.80 : x
  2. Step 2: Convert to fraction form
    379,479.04/569,180.40 = 98,996.80/x
  3. Step 3: Cross multiply
    379,479.04x = 569,180.40 × 98,996.80
  4. Step 4: Simplify right side
    379,479.04x = 56,347,038,222.72
  5. Step 5: Solve for x
    x = 56,347,038,222.72/379,479.04
  6. Step 6: Final answer
    x = 148,485.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.